Motorola Phones:Insert foreign SIM card. If the display reads "Enter Special Code", enter the unlock code and press OK. If not, please follow the instructions below:1. Press the Menu key on the keypad, and then quickly press 073887*.You should see the Enter Security Code screen.2. Enter 000000 and select OK.3. Scroll to Unlock SIM select it.4. Enter the SIM unlock code and select OK.5. Press the End key to return to the main screen.

RIM Blackberry 7230/7290/8800/8820/CURVE 8300/8310/8320/BOLD:1. Power on phone. Wireless Option should be off.2. Scroll to Options and press the trackwheel.3. Scroll to Advanced Options and press the trackwheel.4. Scroll to SIM Card and press the trackwheel.5. Type MEPD6. While holding the Alt key, type MEPE7. Enter unlock code when prompted.8. Press the Enter Key

Other LG cell phones:1.Switch ON your phone with an Allowed SIM Card2. Enter the following sequence depending on your phone model: 2945#*5101# - (if you have a LG 510w) 2945#*5101# - (if you have a LG 1200 & B1200) 2945#*5221# - (if you have a LG 5200 & 52200) 2945#*5301# - (if you have a LG 5300) 2945#*5401# - (if you have a LG 5400) 2945#*70001# - (if you have a LG 7020) 2945#*7101# - (if you have a LG 7100) 2945#*1201# or 2945#*70001# - (if you have a LG 1100) 2945#*70001# - (if you have a LG7250T) 2945#*2201# - (if you have a LG C2200) 2945#*5301# - (if you have a LG T5100) 2945#*3311# - (if you have a LG C3310)3. Go to "Menu" and then to "Settings"4. Select "Security"5. Select "Network Provider" and select "Deactivate"6. Enter Unlock Code.